fix(github-release): update k3s-io/k3s to v1.28.4+k3s2 (#1068)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

bootstrap/templates/ansible/inventory/group_vars/kubernetes/main.yaml.j2

@@ -6,7 +6,7 @@
 #
 
 # renovate: datasource=github-releases depName=k3s-io/k3s
-k3s_release_version: "v1.28.3+k3s2"
+k3s_release_version: "v1.28.4+k3s2"
 k3s_install_hard_links: true
 k3s_become: true
 k3s_etcd_datastore: true